Water is the basis of life. However the globe has witnessed an increasing shortage of
fresh water, which is an indispensable natural resource for the subsistence and
development of mankind. On the World Water Forum in 2000, the World Water
Committee indicated that the shortage of water would be one of the most important
global-wide issues in the following two decades, which has been a huge ecology
deficit between human being and natural resource. In China, the av...